"use strict";

var a = 1;
console.log(a + 1);
var someOne = {};
Object.defineProperty(someOne, "name", {
    value: "coverguo", //由于设定了writable属性为false 导致这个量不可以修改
    writable: false
});
console.log(someOne.name); // 输出 coverguo
someOne.name = "linkzhu";
console.log(someOne.name); // 输出coverguo